Christine Lagarde, the head of the International Monetary Fund, told CNBC that the price of bitcoin was too high but that virtual currencies should be taken seriously; “Not so long ago, some experts argued that personal computers would never be adopted, and that tablets would only be used as expensive coffee trays,” she said. “So I think it may not be wise to dismiss virtual currencies.”; the interview also touches on the recent regulatory trend to crackdown on the new currencies. Source.